Telephone base



FIG. 1 is a right front perspective view of a telephone base according to my new design;

FIG. 2 is a left side view of a telephone base according to my new design;

FIG. 3 is a rear view of a telephone base according to my new design; and,

FIG. 4 is a bottom view of a telephone base according to my new design. 

The ornamental design for a telephone base, as shown. 